document.write(navigator);
var code=navigator.appCodeName;
var browser=navigator.appName;
var version=navigator.appVersion;
var cookie=navigator.cookieEnabled;
var system=navigator.platform;
var header=navigator.userAgent;
var language=navigator.language;
var online=navigator.onLine;

let url='';
let info='';
navigator.sendBeacon(url,info);
